Table 1.

Comparison of demographics in first and second SC2 pandemic waves in Spain (data in the Community of Madrid) [2, 3].

	First wave (RENAVE 11-5-20) [2]	Second wave (RENAVE 23-9-20) [3]
Cases below 30 years-old	6.5%	34%
Cases above 60 years-old	51%	18%
Asymptomatic cases	50%	50% (43%)
Contact with known COVID case	53%	60% (93%)
Hospitalized In ICU Deaths	44% 5% 7.9%	4.8% (3.7%) 7.4% (3.9%) 0.6% (0.5%)

SC2: SARS-CoV-2